TROPICAL ECOLOGY & CONSERVATION · tropical ecology & conservation
Ecology & Conservation
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Transcript of Ecology & Conservation
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Ecology & Conservation
A guide to Chapter 26
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Living Things and Their Environment
Environment: All living and nonliving things with which an organism may interact.
All of the living and nonliving things in an environment are interconnected.
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Ecosystems Ecosystems: All the
living and nonliving things in a given area that interact with one another
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Community The living part of
the ecosystem.
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Population A group of
organisms of the same type, or species, living together in the same area.
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Habitats The place where an
organism lives. It should provide food, shelter and all other resources an organism needs to survive.
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Energy Roles Producers Consumers Decomposers
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Producers The source of all the
food in an ecosystem. Any organism that goes through photosynthesis.
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ConsumersAn organism
that feeds directly or indirectly on producers.
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DecomposersBreak down
dead organisms into simpler substances.
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Food Chains
A series of events in which food and energy are transferred from one organism in an ecosystem to another. The first link is always a producer.
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Food Web Many
overlapping Food Chains
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Competition
When there are not enough resources to go around, organisms must struggle with one another to get what they need to survive.
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Predation When one organism
hunts another. Predator: The
organisms that hunt. Prey: The organism
that is eaten by the predator.
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Predation When one organism
hunts another. Predator: The
organisms that hunt. Prey: The organism
that is eaten by the predator.
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Symbiosis A close
relationship between two organisms in which one organism lives near, on or inside of another organism. One will benefit.
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Types of Symbiosis Commensalism Mutualism Parasitism
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Adaptation A change that increases an organism’s
chance of survival. Types: Adapting to predators Adapting to competition. Adapting to symbiosis
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Ecology Games Oh Deer!: Habitat, limiting factors,
competition, population Quick Frozen Critters: Predator, prey,
adaptations, limiting factors,competition, population.
Muskox Maneuvers: Adaptations, predator, prey, limiting factors, populations
Deadly Links: food chains, pesticides.